original description
Airaghi, C. 1939. Echinidi Cretacici e Terziari della regione di Orfella e della Sirtica. Annali del Museo Libico di Storia Naturale 1, 253-286.
page(s): 273; pl. 11: figs. 8-11 [details]
basis of record
Kier, P. M. & Lawson, M. H. 1978. Index of living and fossil echinoids 1924-1970. Smithsonian Contributions to Paleobiology 34, 1-182., available online at https://doi.org/10.5479/si.00810266.34.1
page(s): 79 [details] Available for editors 
From editor or global species database
Distribution North Africa [details]
Fossil Range Late Eocene [details]